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CVE-2015-4852

98
FAUCET Score

CVE-2015-4852 is a critical deserialization vulnerability in Oracle WebLogic Server, affecting versions 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0, allowing remote attackers to execute arbitrary commands via crafted serialized Java objects over the T3 protocol. This vulnerability has a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. It is actively exploited, listed in CISA's KEV catalog, and has publicly available exploit code, including Metasploit modules and ExploitDB entries, with significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.2CPE matchmatch criteria
cpe:2.3:a:oracle:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*
2.3CPE matchmatch criteria
cpe:2.3:a:oracle:storagetek_tape_analytics_sw_tool:2.3:*:*:*:*:*:*:*
10.3.6.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
12.1.2.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:12.1.2.0.0:*:*:*:*:*:*:*
12.1.3.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.03%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: Oracle Weblogic Server Deserialization RCE - Raw Object · Jan 28, 2015
ExploitDB: EDB-46628 · Mar 28, 2019
This CVE's current EPSS score of 0.9603 is in the 99th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

oraclepatch availablevia nvd_reference
View patch
wagopatch availablevia llm_extracted
Fixed in: ['8.7.0']

Vendor Advisories (1)

wagollm-wago-7747b8362af32e01HIGH

Deserialization of Untrusted Data

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
foxglovesecurity.com / 2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability
Exploit
packetstormsecurity.com / files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
blogs.oracle.com / security/entry/security_alert_cve_2015_4852
Broken Link
github.com / foxglovesec/JavaUnserializeExploits/blob/master/weblogic.py
Product
exploit-db.com / exploits/42806
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/46628
ExploitThird Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2015/11/17/19
Mailing ListThird Party Advisory
oracle.com / technetwork/security-advisory/cpuapr2017-3236618.html
Patch
oracle.com / technetwork/security-advisory/cpujan2018-3236628.html
PatchVendor Advisory
oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html
PatchVendor Advisory
oracle.com / technetwork/security-advisory/cpuoct2017-3236626.html
PatchVendor Advisory
oracle.com / technetwork/topics/security/alert-cve-2015-4852-2763333.html
Vendor Advisory
oracle.com / technetwork/topics/security/cpujan2016-2367955.html
PatchVendor Advisory
securityfocus.com / bid/77539
Broken Link
securitytracker.com / id/1038292
Broken Link